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Unscored Public exploit CVE-2019-1999 EUVD-2019-10556GHSA-h74g-q6cf-5qxm

In binder_alloc_free_page of binder_alloc.c, there is a possible double free due to improper locking. This could lead to local escalation o…

Published Feb 28, 2019 · Updated Sep 17, 2024 · Assigned by google_android

Vendor: Android Product: Android Package: linux Package: linux-aws-fips Package: linux-azure-fde Package: linux-azure-fips Package: linux-gcp-fips Package: linux-gke Package: linux-intel-iot-realtime Package: linux-raspi-realtime Package: linux-raspi2 Package: linux-realtime Package: linux-riscv Package: linux-vmware Platform: Android Ecosystem: Debian Ecosystem: Ubuntu

Description

In binder_alloc_free_page of binder_alloc.c, there is a possible double free due to improper locking. This could lead to local escalation of privilege in the kernel with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android. Versions: Android kernel. Android ID: A-120025196.

Affected products

VendorProductAffectedFixed
Android Android Android kernel —

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

Debian

Security tracker ↗
ReleasePackageFixed inAdvisory
Debian 14 linux 5.2.6-1 —
Debian 13 linux 5.2.6-1 —
Debian 12 linux 5.2.6-1 —
Debian 10 linux 4.19.37-5+deb10u2 DSA-4495-1

Ubuntu

Security tracker ↗
ReleasePackageFixed inAdvisory
Ubuntu 24.04 LTS linux-raspi-realtime No fix yet —
Ubuntu 22.04 LTS linux-riscv +2 No fix yet —
Ubuntu 20.04 LTS linux-gke +3 No fix yet —
Show 2 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
Ubuntu Pro FIPS 18.04 LTS linux-aws-fips +2 No fix yet —
Ubuntu Pro FIPS-updates 18.04 LTS linux-aws-fips 4.15.0-2018.18 —
Ubuntu Pro FIPS-updates 18.04 LTS linux-azure-fips 4.15.0-2006.7 —

Public exploits

Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.

Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.

Exploit-DB 1

Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.

Advisories 1

References